42-135-43150

Final Completion

HARPER DEVONIAN UNIT

ECTOR County · District 8 · OXY USA WTP EOR LLC · HARPER (DEVONIAN)

Permits

1

Max Depth

11,500 ft

First Permit

2014-09-26

Latest Activity

2014-09-26

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2015-01-14

Shut-In

Plugged

2024-03-18

!

EWA / Production operator mismatch

Scheduling: OXY USA WTP EOR LLC ≠ Production: OXY USA WTP LP (reported 2026-04)

!

EWA / Permit operator mismatch

Scheduling: OXY USA WTP EOR LLC ≠ Permit: OXY USA WTP LP

Resolved via: productionOXY USA WTP LP

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (10) Elevation 3,124 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA BASE (Santa Rosa)1,407 ft+1,717 ft
YATES 2,635 ft+489 ft
SEVEN RIVERS 2,902 ft+222 ft
QUEEN 3,546 ft-422 ft
GRAYBURG 3,810 ft-686 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,226 ft-1,102 ft
GLORIETA 5,169 ft-2,045 ft
CLEARFORK (Clear Fork)5,260 ft-2,136 ft
TUBB 5,575 ft-2,451 ft
HOLT

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Perforations (1)

IntervalType
9,864–10,090 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"1,400 ft510 sx
5.5"10,510 ft1,550 sx

Permit History (1)

Applications (1)

#790165 A OXY USA WTP LP
received 2014-06-24

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2015-03-04 log on file
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in ECTOR County.

Well Details

Well Number
715
Max Depth
11,500 ft
Drill Type
Vertical
County
ECTOR
District
8
Completed
2015-01-14

Operator

Location
HOUSTON
P-5 Status
Active (filed 2026-01-07)
Cum Oil (all leases)
— bbl
Cum Gas (all leases)
— mcf
Activities
OPRS/G, OPRS/O